All-in-One Filament Storage Box Set4 pack filament storage box set for 3d printer filament storage. Each filament storage container holds one 1kg spool of PLA, PETG, ABS or ASA 3d printing filament. Set includes 4 filament storage boxes, 4 hygrometers, 8 reusable color-changing desiccant packs, 8 labels, 1 marker and 1 tube cutter to help you manage filament storage more easily. Innovative Airtight Design & Flexible Hygrometer MountingEach 3d printer filament storage box uses a thick silicone gasket and secure latches to create an airtight, moisture-proof and dust-proof seal for filament storage. The hygrometer with double-sided tape can be stuck anywhere inside the filament storage containeron the lid, sides or bottomso you can check humidity and filament condition without opening the storage box. Reusable Color-Changing Desiccant Packs, 8 x 50gColor-changing silica gel desiccant packs for storage absorb moisture inside each filament storage box to help keep 3d